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- First of all,the nonlinear equation of structure is presented in this paper based on virtual work principle. It is thought that the Updated Lagrangian Formulation(U.L.Formulation) is more adapt for nonlinear analysis computer program for arch bridge. 首先，本文基于虚功原理，推导了结构几何非线性方程，指出更新的拉格朗日列士法(U.;L列士)更适用于桥梁结构非线性分析程序的编制。
- Updated Lagrangian formulations and hyperelastic-plastic constitutive relations based on elasto-plastic multiplictive decomposition of the deformation gradient tensor are given first of all. 首先给出了纠正的拉格朗日有限元公式和基于弹塑性乘法分解的超弹性塑性本构关系。
- updated Lagrangian formulation 更新拉格朗日列式
- Based on the updated Total Lagrangian Formulation, the large deflection stiffness matrices of space member and guy elements are derived in this paper. 本文基于修正的总体Lagrangian坐标描述法推导了空间索、杆单元的大位移刚度矩阵。
- Poor dynamic modeling methods were analyzed, which are Newton-Euler formulation, Lagrangian formulation, Lagrange-D' Alembert principle and differential geometry theory. 根据并联机构特点分析了4种动力学建模方法，即牛顿-欧拉方法、拉格朗日方法、拉格朗日-达朗贝尔方法和微分几何原理。
- The constitutive equations and FEM formulations of rock masses of large elastoplastic deformation are established by using updated Lagrangian method. 介绍了采用更新拉格朗日法的岩土体弹塑性大变形本构方程和有限元公式的推导过程。
- By using updated Lagrangian elastoplastic finite element method, the temperature fields and stress-strain fields during the welding process are investigated. 基于更新拉格朗日弹塑性有限元法分析了焊接过程的温度场和应力应变场;
- Based on large deformation theory and updated Lagrangian procedure,a coupled thermo-mechanical plane strain orthogonal ultraprecision cutting model is developed. 基于大变形有限元理论和更新的拉格朗日方程式,建立了热耦合的平面应变正交切削有限元仿真模型。
- Generalized DAlembert-Lagranges principle for non-holonomic mechanics, including its Newtons formulation and Lagrangian formulation, are given. This principle can lead to the closed motion equations. 提出非完整力学的广义达朗贝尔-拉格朗日原理，包括其牛顿表述和拉格朗日表述。此原理能导出态空间封闭的运动方程组。
- Solve for the equations of motion using both the Newtonian and Lagrangian formulations. 使用基本的运动方程来计算航行器的基本飞行状态。
- Partial Updated Lagrangian Method and Large Displacement Analysis of Structures 部分修正拉格朗日法与结构大位移分析
- On the Equivalence between the Gauge Theory of Gravity and General Relativity in the Lagrangian Formulation 论平移引力规范理论与广义相对论在拉格朗日表述下的等价性
- I updated the committee on our progress. 我向委员会报告了我们的进展情况。
- The data should be updated once a week. 这些数据应该每星期更新一次。
- Numerical simulation of static piling with updated Lagrangian formation and analysis of soil consolidation adjacent to pile 静力压桩的拉格朗日法模拟与桩周土体固结分析
- This formulation is perfectly correct. 这是完全正确的规定。
- Chairman Mao's words are a complete formulation. 完备的提法，还是毛主席的四句话。
- Beaux Lowlands base defenses updated. 布杂低地地图基地防御设施修正。
- Selection typical low-steel disc pad formulation. 选择具有代表性低金属盘式片配方。
- Operation is conditional to the formulation. 运算应符合公式。
